Little Dip Spiderorchid
Caladenia richardsiorum
Family Orchidaceae
About
Caladenia richardsiorum, commonly known as the little dip spider orchid, Richards' spider orchid or robe spider orchid, is a plant in the orchid family Orchidaceae and is endemic to South Australia. It is a ground orchid with a single erect, hairy leaf and usually only one yellowish-green flower. It is similar to the endangered Mellblom's spider orchid but has a much larger leaf and the petals lack glandular tips.
How to spot it
Caladenia richardsiorum is a terrestrial, perennial, deciduous, herb with an underground tuber and a single, erect, hairy leaf. The leaf is 160–220 mm (6–9 in) long, 13–15 mm (0.5–0.6 in) wide and has reddish-purple blotches near its base. Usually only a single yellowish-green flower about 40 mm (2 in) across is borne on a spike 200–400 mm (8–20 in) tall. The sepals, but not the petals, have blackish, club-like glandular tips 8–10 mm (0.3–0.4 in) long. The dorsal sepal is erect, 33–40 mm (1–2 in
Documented on these trails
Found in
- Canunda National Park — Flinders Ranges & Outback SA hikes